| Subject | English | Portuguese |
| gen. | according to their political affinities | por afinidades políticas |
| chem. | affinity chromatography | cromatografia de afinidade |
| comp., MS, Braz. | affinity group | grupo de afinidade (A geographical grouping of a customer's hosted service deployments and storage accounts within Windows Azure. An affinity group can improve service performance by locating computer workloads in the same datacenter or near the target user audience) |
| comp., MS | affinity marketing | marketing de afinidade (Selling products or services to customers with similar interests on the basis of their established buying patterns or preferences. Additionally, several noncompeting advertisers may join together to develop a single targeted campaign) |
| comp., MS | affinity mask | máscara de afinidade (A value that contains bits for each processor on the system, defining which processors a process or thread can use) |
| med. | calcium affinity | afinidade para o cálcio |
| med. | chromatic affinity | afinidade cromática |
| med. | chromosomal affinity | afinidade cromossómica |
| h.rghts.act. | distinction on the grounds of political affinity | distinçãocriminação em razão de afinidade política |
| earth.sc., el. | electron affinity | afinidade eletrónica |
| phys. | electron affinity | afinidade electrónica |
| earth.sc., chem. | electron affinity | eletroafinidade |
| comp., MS, Braz. | extended affinity | afinidade estendida (A type of client affinity that is preserved when configuring a change to a Network Load Balancing cluster. It also allows clients to keep affinity to a cluster host even if there are no existing connections from the client to the host) |
| comp., MS | extended affinity | afinidade expandida (A type of client affinity that is preserved when configuring a change to a Network Load Balancing cluster. It also allows clients to keep affinity to a cluster host even if there are no existing connections from the client to the host) |
| el. | fourfold-coordination specific electron affinity | afinidade eletrónica específica da disposição estrutural tetraédrica |
| comp., MS, Braz. | hard affinity | afinidade fixa (A mechanism by which a thread can only run on a fixed set of one or more processors) |
| comp., MS | hard affinity | afinidade por hardware (A mechanism by which a thread can only run on a fixed set of one or more processors) |
| chem. | immuno-affinity chromatography | cromatografia de imunoafinidade |
| polit. | political affinity | afinidade política |
| proced.law. | relationship by affinity | familiar por afinidade |
| proced.law. | relative by affinity | afim |
| earth.sc., el. | specific electron affinity | afinidade eletrónica específica |
| med. | with an affinity for fat | lipofílico |
| gen. | with an affinity for fat | que dissolve as gorduras que pode tornar-se obeso |